Bio-D-Mulsion ForteBio D Mulsion Forte from Biotics Research Corporation supplies 2,000 IU per drop of vitamin D3 as a micro emulsion for enhanced absorption and utilization, which is particularly important for those with malabsorption conditions. Ingredients Vitamin D (cholecalciferol) 2,000 IU. Water, gum arabic, sesame seed oil. Usage Simply dispense one (1) drop from the bottle directly onto the tongue each day. Size 1 fl oz 30 ml